On 8/4/2019 5:19 PM, Liang Ma wrote:
Fix the resource leaking issue
Coverity issue: 337668
Fixes: b60fd5f8b1ce8f0a2c ("power: add bit for high frequency cores")
Signed-off-by: Liang Ma <liang.j...@intel.com>
---
lib/librte_power/power_pstate_cpufreq.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/lib/librte_power/power_pstate_cpufreq.c
b/lib/librte_power/power_pstate_cpufreq.c
index 336c13869..07ca5c1dd 100644
--- a/lib/librte_power/power_pstate_cpufreq.c
+++ b/lib/librte_power/power_pstate_cpufreq.c
@@ -158,6 +158,7 @@ power_init_for_setting_freq(struct pstate_power_info *pi)
char *s_base;
uint32_t base_ratio = 0;
uint64_t max_non_turbo = 0;
+ int ret_val = 0;
snprintf(fullpath_min, sizeof(fullpath_min), POWER_SYSFILE_MIN_FREQ,
pi->lcore_id);
@@ -199,8 +200,10 @@ power_init_for_setting_freq(struct pstate_power_info *pi)
/* Add MSR read to detect turbo status */
- if (power_rdmsr(PLATFORM_INFO, &max_non_turbo, pi->lcore_id) < 0)
- return -1;
+ if (power_rdmsr(PLATFORM_INFO, &max_non_turbo, pi->lcore_id) < 0) {
+ ret_val = -1;
+ goto out;
+ }
max_non_turbo = (max_non_turbo&NON_TURBO_MASK)>>NON_TURBO_OFFSET;
@@ -219,7 +222,9 @@ power_init_for_setting_freq(struct pstate_power_info *pi)
pi->core_base_freq = base_ratio * BUS_FREQ;
out:
- return 0;
+ if (f_base != NULL)
+ fclose(f_base);
+ return ret_val;
}
static int
Confirmed that this issue is resolved by testing on our internel
Coverity server here, version 8.7.1
Tested-by: David Hunt <david.h...@intel.com>